US20180281022A1 - Assembly for handling fruit and vegetable products - Google Patents
Assembly for handling fruit and vegetable products Download PDFInfo
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- US20180281022A1 US20180281022A1 US15/562,388 US201615562388A US2018281022A1 US 20180281022 A1 US20180281022 A1 US 20180281022A1 US 201615562388 A US201615562388 A US 201615562388A US 2018281022 A1 US2018281022 A1 US 2018281022A1
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- unit
- fruit
- products
- assembly according
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/94—Devices for flexing or tilting travelling structures; Throw-off carriages
- B65G47/96—Devices for tilting links or platform
- B65G47/962—Devices for tilting links or platform tilting about an axis substantially parallel to the conveying direction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/009—Sorting of fruit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
- B65G2201/0211—Fruits and vegetables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
Definitions
- the present disclosure relates to an assembly for handling fruit and vegetable products.
- Such systems usually have two handling lines, side by side, in that after a first video camera has conducted a first check on the pear being conveyed on the first line, in order to detect its shape, size, color, any surface and pulp flaws, etc., the pear is tipped over and transferred to the second line, where a second video camera performs a second check on the other side of the pear, to complete the analysis.
- the peculiar shape of the pear makes it substantially impossible to check the exact arrangement with which the pear is deposited and conveyed on the first line and, especially, at what point of the respective containment unit the pear is consequently laid and conveyed along the second line.
- the aim of the present disclosure is to solve the above mentioned problems, by providing a handling assembly that makes it possible to transfer fruit and vegetable products between two handling lines, while at the same time being able to control their positioning, at least on the downstream line.
- the disclosure provides an assembly for handling fruit and vegetable products, which makes it possible to check the color, the size category and/or the presence of flaws thereon, and at the same time make it possible to weigh them.
- the disclosure further provides a handling assembly that ensures a high reliability of operation.
- the disclosure also provides a handling assembly that can be easily implemented using elements and materials that are readily available on the market.
- the disclosure provides a handling assembly that is low cost and safely applied.
- an assembly for handling fruit and vegetable products which comprises first containment units for fruit and vegetable products that can move along a first conveyance and/or control line and second containment units for horticultural products that can move along a second conveyance and/or control line, which is laterally adjacent and proximate to said first line, characterized in that it comprises a plurality of means for transferring the horticultural products, said means being distributed at least along a part of said first line and being selectively actuatable by an electronic management and control unit, for the transfer of each product from a said first unit to a respective said second unit in a portion chosen from a plurality of different portions of said first line, upon the occurrence of a predefined condition of mutual alignment between the horticultural product to be transferred, which is conveyed by said first unit, and a said second unit.
- FIG. 1 is a perspective view from the right-hand side of a handling assembly according to the disclosure
- FIG. 2 is a perspective view from the left-hand side of the handling assembly in FIG. 1 ;
- FIG. 3 is a first detail of FIG. 1 ;
- FIG. 4 is an enlarged second detail of FIG. 1 ;
- FIG. 5 is an enlarged detail of FIG. 2 ;
- FIG. 6 is a front elevation view of some components of the assembly in FIG. 1 ;
- FIG. 7 is a perspective view from the right-hand side of further components of the assembly in FIG. 1 ;
- FIG. 8 is a perspective view from the left-hand side of the components in FIG. 6 .
- the reference numeral 1 generally designates an assembly for handling horticultural products such as fruit and vegetable products, which first of all comprises first containment units 2 a of fruit and vegetable products A, which can move along a first conveyance and/or control line 3 a.
- the assembly 1 comprises second containment units 2 b of the fruit and vegetable products A, which can move along a second conveyance and/or control line 3 b , which is conveniently arranged laterally adjacent and proximate to the first line 3 a.
- the lines 3 a , 3 b can define for the respective unit 2 a , 2 b straight paths that are entirely arranged side-by-side, but assemblies 1 can also be provided in which the lines 3 a , 3 b , although being side-by-side and mutually proximate in at least one segment thereof, are curvilinear or mixtilinear, according to the specific logistical requirements that may for example apply inside the building for which the assembly 1 is intended.
- the assembly 1 comprises a plurality of means for transferring the fruit and vegetable products A, which are distributed and act at least along one part of the first line 3 a.
- Such means can therefore be selectively actuated by an electronic management and control unit, so as to cause the transfer of each product A from a first unit 2 a to a respective second unit 2 b in a portion chosen from a plurality of different portions of the first line 3 a . More precisely, and thanks to the presence of a plurality of means that act along the first line 3 a , the transfer can be effectively commanded upon the occurrence of a predefined condition of mutual alignment between the fruit and vegetable product A to be transferred, which is conveyed up until that moment by the first unit 2 a , and a second unit 2 b.
- the electronic unit can choose in each instance, for each pear, the best portion of the first line 3 a at which to perform the transfer, in this way being able to control the positioning thereof along the second line 3 b , and already achieving the set aim.
- each pear is transferred to the respective second containment unit 2 b at a specific point (of a specific part) of the latter, so achieving the desired control of the positioning.
- the electronic unit can be freely chosen: it can in fact be an electronic controller, a (micro)processor, a CPU, a PC, a computer etc.
- each second containment unit 2 b is associated with a respective device for weighing the fruit and vegetable product A being conveyed.
- each second unit 2 b can be provided with a respective load cell.
- weighing devices of the type indicated above necessitate an exact positioning of the product A with respect to the second unit 2 b that accommodates it, in order to be able to operate correctly: in such context, it is therefore evident that the assembly 1 ensures an optimal weighing, thanks to the possibility of choosing the moment in which to perform the transfer toward the second containment unit 2 b.
- the assembly 1 comprises an electronic control apparatus, which in turn is provided with a first video camera that faces the first line 3 a and is capable of checking the color, the size and/or the presence of surface and pulp flaws of various types on the fruit and vegetable products A, while these are supported and conveyed by the first units 2 a in a first arrangement.
- first arrangement in which a pear is for example shown in FIG. 1 ) usually corresponds to the position with which each product A has been deposited on the respective first containment unit 2 a , in the initial segment of the first line 3 a .
- each product A is therefore conveyed along the first line 3 a and its surface portion directed upwardly can thus be checked by the first video camera, above the first line 3 a.
- control apparatus 2 b is provided with a second video camera that faces the second line 3 b , so that it can also check the color, the size and/or the presence of surface and pulp flaws of various types on the fruit and vegetable products A, while they are supported and conveyed by the second units 2 b in a second arrangement (in which a pear is for example shown in FIG. 3 ), obtained automatically as a consequence of the transfer of the products A from the first line 3 a to the second line 3 b.
- a second video camera that faces the second line 3 b , so that it can also check the color, the size and/or the presence of surface and pulp flaws of various types on the fruit and vegetable products A, while they are supported and conveyed by the second units 2 b in a second arrangement (in which a pear is for example shown in FIG. 3 ), obtained automatically as a consequence of the transfer of the products A from the first line 3 a to the second line 3 b.
- the transfer causes the partial rotation of each pear, which thus assumes a second arrangement and directs a different surface portion upwardly, which can therefore in turn be checked by the second video camera (above the second line 3 b ), thus completing the check of the color, the size category and/or the presence of any flaws (and of the shape and size) for each fruit and vegetable product A.
- the assembly 1 is effectively capable of weighing each pear (or other fruit and vegetable product A) and/or of checking for the presence therein of surface flaws (over the entire surface) and pulp flaws and/or, more simply, of measuring its size.
- each first unit 2 a is constituted substantially by a first tray 4 a , which can move along a first guiding track 5 a which substantially defines the first line 3 a .
- each first tray 4 a is rotatable about to a first main axis, substantially parallel to the first track 5 a : the previously-mentioned means therefore comprise elements for actuating the rotation of respective first trays 4 a about the first main axis.
- the rotation thus produces the partial tipping of the respective first tray 4 a , and this causes the consequent transfer of the corresponding fruit and vegetable product A (which is in turn overturned) toward the respective second unit 2 b.
- the control apparatus comprises an electronic viewer (optionally coinciding or integrated with the first video camera) associated with the electronic unit and arranged along the first line 3 a .
- the viewer in fact is capable of acquiring, according to conventional methods, information about the position assumed by each fruit and vegetable product A in the respective first unit 2 a .
- the electronic unit will be provided with an algorithm for calculating the portion (of the point) of the first line 3 a corresponding to the occurrence of the predefined condition of mutual alignment, as a function of the shape and of the speed of the first unit 2 a and of the second unit 2 b , and of the position detected by the viewer.
- the electronic unit is capable of calculating and identifying the moment at which the predefined condition of mutual alignment arises, in order to command, right at that moment, the transfer of the pear to the second line 3 b , thus obtaining an exact and repeatable positioning on the second units 2 b.
- the electronic management and control unit can be freely programmed to choose any predefined condition of mutual alignment.
- such predefined condition corresponds to the alignment of the fruit and vegetable product A to be transferred, which is conveyed by the respective first unit 2 a , with the central portion of a respective second unit 2 b , so that the fruit and vegetable product A is arranged exactly in such central position.
- the device designed for this purpose operates best when the pear is exactly positioned in the center of the second unit 2 b.
- each second containment unit 2 b is constituted substantially by a second tray 4 b , which can move along a second guiding track 5 b which substantially defines the second line 3 b and has a shape and dimensions that are optionally different from those of the first tray 4 a .
- each second tray 4 b although being rectangular in plan like the first tray 4 a , with respect to the latter is appreciably larger (and is oriented with the long sides parallel to the second track 5 b ). This in fact makes it possible to obtain a better positioning of the pears in the second units 2 b , and therefore a more exact weighing.
- each second tray 4 b can also rotate, about a second main axis which is substantially parallel to the first main axis and to the second track 5 b . This therefore makes it possible to obtain the partial tipping of the second trays 4 b in the opposite direction to that of the partial tipping of the first trays 4 a , at least during the transfer of the respective fruit and vegetable product A.
- the means for transferring comprise at least one first guiding plate 6 a , which faces in a parallel arrangement and is proximate to the first line 3 a on the opposite side with respect to the second line 3 b.
- a first shank 8 a with which each first tray 4 a is provided can selectively engage in each lane 7 , so as to cause the rotation of the corresponding first tray 4 a as a consequence of the sliding of the first shank 8 a in the lane 7 .
- each lane 7 behaves like a cam that imposes a specific movement on the first shank 8 a with which it engages, and therefore causes the rotation of the respective first tray 4 a , which is integral with the first shank 8 a.
- each actuation element (not shown for the sake of simplicity in the accompanying figures) comprises at least one actuator (which can be conventional), which is integral with the respective first unit 2 a and which usually faces the first shank 8 a .
- Each actuator can be selectively actuated by the electronic unit (upon the occurrence of the predefined condition of mutual alignment or in the moments immediately preceding it) in order to force the engagement of the first shank 8 a in a corresponding lane 7 , thus obtaining the desired rotation of the first tray 4 a which is carrying the pear to be transferred to the second line 3 b.
- first shank 8 a follows a first inclined corridor 7 A, then proceeds along the straight back 7 B of the first plate 6 a , and finally descends along a ramp 7 C.
- Such progression obviously causes a corresponding rotation of the respective first tray 4 a , to which the first shank 8 a is anchored.
- the handling assembly 1 comprises a second guiding plate 6 b , which in turn faces in a parallel arrangement and is proximate to the second line 3 b on the opposite side with respect to the first line 3 a .
- the second plate 6 b is arranged along the path of second shanks 8 b of each second tray 4 b.
- each second tray 4 b (when they arrive at the second plate 6 b ) in that the respective second shank 8 b is forced to slide on a contoured run defined by the top of the second plate 6 b.
- the second plate 6 b therefore also behaves like a cam, but it imposes the same travel and the same partial tipping (at the same portion of the second line 3 b ) on all the second trays 4 b.
- the second trays 4 b are kept partially inclined for the entire segment of the second line 3 b in which they can potentially receive a pear.
- each tray 4 a , 4 b (therefore for each line 3 a , 3 b ) is rigidly supported by a support 9 a , 9 b , which is pivoted, about the respective main axis, to a slider 10 a , 10 b which can slide along the corresponding track 5 a , 5 b.
- Each shank 8 a , 8 b therefore extends from the corresponding support 9 a , 9 b , on the opposite side with respect to the corresponding tray 4 a , 4 b.
- the first shank 8 a (or at least one of its ends) follows one of the lanes 7 only when the actuator pushes it against that lane: by providing an appropriate number of lanes 7 it is thus possible to define a plurality of portions (points of the first line 3 a ) at which to make the partial tipping of each first tray 4 a occur.
- Each pear (or other fruit and vegetable product A) is loaded onto a first unit 2 a of the first line 3 a in a first arrangement, which is random and not predictable in advance, even in light of the irregular shape of such fruits.
- the pears are thus initially conveyed along the first line 3 a , where a first video camera can detect its color, shape and size and/or check for the presence of surface flaws on the exposed portion or flaws in the pulp.
- an electronic viewer associated with the electronic unit acquires information about the position assumed by each fruit and vegetable product A in the respective first unit 2 a : preferably, such information relates to both the orientation with which the product A is placed on the first tray 4 a (the first arrangement mentioned above), and the point of the first tray 4 a at which the product A is located (with respect to fixed references, such as for example its perimeter or its center). This therefore enables the electronic unit to calculate the portion of the first line 3 a where to make the transfer occur (this is chosen to correspond to the occurrence of the predefined condition of mutual alignment).
- the electronic unit actuates the actuator associated with the first unit 2 a which is carrying the product A to be transferred; the actuator in fact pushes the first shank 8 a of the corresponding first tray 4 a toward the first plate 6 a , engaging the first shank 8 a with a chosen one of the several lanes 7 .
- a specific travel along the lane 7 is imposed on the first shank 8 a and, as a consequence, the first tray 4 a rotates, tipping over partially and transferring the pear to the side, where it is received by a second containment unit 2 b.
- the tipping the products A change their configuration (the orientation with which they are placed on the second unit 2 b ), and therefore they are conveyed along the second line 3 b in a second arrangement, in which they show a different surface portion (substantially opposite and complementary to the previous one) to a second video camera, thus enabling the completion of the check of flaws, color and size category.
- the electronic unit can omit to command the transfer, so allowing the fruit and vegetable product A to continue on its way until the end of the first line 3 a , where it can be allowed to fall into a container of discarded material.
- the assembly 1 can be given the capability to unload the products A at the sides of the lines 3 a , 3 b , in order to discard them upon the detection of serious flaws and/or route them to conveniently provided reprocessing stations.
- the assembly 1 makes it possible to determine with precision the point of the second containment unit 2 b at which each pear is transferred, in that the electronic unit is capable of choosing the exact moment at which to actuate the actuation element in order to make at least the first tray 4 a tip: as has been seen, the moment chosen is conveniently the moment corresponding to the occurrence of the desired (preset) condition of mutual alignment.
- the assembly 1 enables an efficacious weighing of each pear, thanks to the ability to control the positioning, at least on the second line 3 b.
- the handling assembly fully achieves the set aim, in that the transfer means, distributed at least along one part of the first conveyance and/or control line, are actuated by the electronic management and control unit, only upon the occurrence of a predefined condition of mutual alignment between the fruit and vegetable product to be transferred, which is conveyed by the first containment unit, and a second containment unit, and this makes it possible to transfer fruit and vegetable products between two handling lines, while at the same time being able to control their positioning, at least downstream.
- the materials employed, as well as the dimensions, may be any according to requirements and to the state of the art.
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Abstract
Description
- The present disclosure relates to an assembly for handling fruit and vegetable products.
- Companies that develop automated systems for handling and checking large quantities of fruit and vegetable products often find themselves faced with problems that are not easy to resolve.
- In fact, even when the system is intended for use with a single, specific type of product (a fruit for example), it is usually fed upstream with great quantities of products that arrive at the factory directly from the harvest fields, and which therefore exhibit enormous variability in size and weight.
- The need is therefore felt to provide automated lines that are capable of distributing products of different size categories to a plurality of receiving stations, in that often fruits (or other fruit and vegetable products) of greater size (or greater weight) cannot be sent for subsequent processing, or to end consumers, together with the smaller fruits.
- Moreover it seems evident that in an industrial context, and therefore in systems and lines that are at least partially automated, precisely this enormous variability requires maximum care on the part of the companies that make them, in that the lines and the handling elements must be sufficiently versatile to be able to cater for the different formats with which pears, apples, strawberries, cherries, etc., are presented.
- To such heterogeneity we must also add the great variety of defects that fruits can exhibit, and which the system must be capable of intercepting, in order to send to the downstream stations only those products that fall within the preset quality parameters (which are moreover increasingly stringent), and diverting for reprocessing, or simply discarding, those fruits that are rotten or bruised, are showing initial signs of early decay, or that exhibit other defects.
- In such context, one of the fruits that pose the most difficulties is certainly the pear: in order to be able to identify the defects and at the same time check its color and weight (and therefore its size category), systems are known that involve the use of video cameras for checking which are arranged along fruit handling lines and are capable of identifying the defects.
- Such systems usually have two handling lines, side by side, in that after a first video camera has conducted a first check on the pear being conveyed on the first line, in order to detect its shape, size, color, any surface and pulp flaws, etc., the pear is tipped over and transferred to the second line, where a second video camera performs a second check on the other side of the pear, to complete the analysis.
- However, the peculiar shape of the pear makes it substantially impossible to check the exact arrangement with which the pear is deposited and conveyed on the first line and, especially, at what point of the respective containment unit the pear is consequently laid and conveyed along the second line.
- This complicates the second check and, especially, it makes it necessary to have a third line or station for carrying out the weighing, in that for such activity it is necessary to be able to count on a certain position (usually corresponding to the center of the containment unit), in order to obtain an exact measurement by the load cells and/or of the other sensors that are usually used.
- The aim of the present disclosure is to solve the above mentioned problems, by providing a handling assembly that makes it possible to transfer fruit and vegetable products between two handling lines, while at the same time being able to control their positioning, at least on the downstream line.
- Within this aim, the disclosure provides an assembly for handling fruit and vegetable products, which makes it possible to check the color, the size category and/or the presence of flaws thereon, and at the same time make it possible to weigh them.
- The disclosure further provides a handling assembly that ensures a high reliability of operation.
- The disclosure also provides a handling assembly that can be easily implemented using elements and materials that are readily available on the market.
- The disclosure provides a handling assembly that is low cost and safely applied.
- These advantages and others are achieved by providing an assembly for handling fruit and vegetable products, which comprises first containment units for fruit and vegetable products that can move along a first conveyance and/or control line and second containment units for horticultural products that can move along a second conveyance and/or control line, which is laterally adjacent and proximate to said first line, characterized in that it comprises a plurality of means for transferring the horticultural products, said means being distributed at least along a part of said first line and being selectively actuatable by an electronic management and control unit, for the transfer of each product from a said first unit to a respective said second unit in a portion chosen from a plurality of different portions of said first line, upon the occurrence of a predefined condition of mutual alignment between the horticultural product to be transferred, which is conveyed by said first unit, and a said second unit.
- Further characteristics and advantages of the disclosure will become better apparent from the description of a preferred, but not exclusive, embodiment of the handling assembly according to the disclosure, which is illustrated by way of non-limiting example in the accompanying drawings wherein:
-
FIG. 1 is a perspective view from the right-hand side of a handling assembly according to the disclosure; -
FIG. 2 is a perspective view from the left-hand side of the handling assembly inFIG. 1 ; -
FIG. 3 is a first detail ofFIG. 1 ; -
FIG. 4 is an enlarged second detail ofFIG. 1 ; -
FIG. 5 is an enlarged detail ofFIG. 2 ; -
FIG. 6 is a front elevation view of some components of the assembly inFIG. 1 ; -
FIG. 7 is a perspective view from the right-hand side of further components of the assembly inFIG. 1 ; and -
FIG. 8 is a perspective view from the left-hand side of the components inFIG. 6 . - With reference to the figures, the
reference numeral 1 generally designates an assembly for handling horticultural products such as fruit and vegetable products, which first of all comprisesfirst containment units 2 a of fruit and vegetable products A, which can move along a first conveyance and/orcontrol line 3 a. - It should be noted from this point onward that in the preferred application of the disclosure, to which reference will often be made in the present discussion, the fruit and vegetable products A are pears, whose peculiar shape poses many problems for the companies that make conventional conveyance and checking systems (problems that, as will be seen, will be solved by the
assembly 1 according to the disclosure). - In any case it should be emphasized that the possibility is not ruled out of using the
assembly 1 according to the disclosure for handling, conveying and/or checking other fruits or fruit and vegetable products A in general. - Furthermore, the
assembly 1 comprisessecond containment units 2 b of the fruit and vegetable products A, which can move along a second conveyance and/orcontrol line 3 b, which is conveniently arranged laterally adjacent and proximate to thefirst line 3 a. - As in the accompanying figures, the
lines respective unit assemblies 1 can also be provided in which thelines assembly 1 is intended. - According to the disclosure, the
assembly 1 comprises a plurality of means for transferring the fruit and vegetable products A, which are distributed and act at least along one part of thefirst line 3 a. - Such means can therefore be selectively actuated by an electronic management and control unit, so as to cause the transfer of each product A from a
first unit 2 a to a respectivesecond unit 2 b in a portion chosen from a plurality of different portions of thefirst line 3 a. More precisely, and thanks to the presence of a plurality of means that act along thefirst line 3 a, the transfer can be effectively commanded upon the occurrence of a predefined condition of mutual alignment between the fruit and vegetable product A to be transferred, which is conveyed up until that moment by thefirst unit 2 a, and asecond unit 2 b. - It should be noted in fact that the impossibility of establishing in advance the position assumed by each pear in the respective
first containment unit 2 a makes it impossible to identify (at the design stage) a point of thefirst line 3 a at which, for all pears, a predefined condition of mutual alignment occurs, and it is even less possible to ensure to this end that both thelines - By contrast, such condition for mutual alignment is in fact made necessary by the need to control the positioning of the fruit and vegetable products A at least in the
second units 2 b, in order to ensure that each pear is located at the same point of eachsecond unit 2 b. - Thanks to the means for transfer therefore, the electronic unit can choose in each instance, for each pear, the best portion of the
first line 3 a at which to perform the transfer, in this way being able to control the positioning thereof along thesecond line 3 b, and already achieving the set aim. - In fact, by conveniently choosing the condition for mutual alignment, it is for example possible to ensure that each pear is transferred to the respective
second containment unit 2 b at a specific point (of a specific part) of the latter, so achieving the desired control of the positioning. - It should be noted that the electronic unit can be freely chosen: it can in fact be an electronic controller, a (micro)processor, a CPU, a PC, a computer etc.
- Precisely with reference to the preferred (but not exclusive) embodiment, each
second containment unit 2 b is associated with a respective device for weighing the fruit and vegetable product A being conveyed. - Any type of device for weighing can be used, and for example each
second unit 2 b can be provided with a respective load cell. - It should be noted that weighing devices of the type indicated above necessitate an exact positioning of the product A with respect to the
second unit 2 b that accommodates it, in order to be able to operate correctly: in such context, it is therefore evident that theassembly 1 ensures an optimal weighing, thanks to the possibility of choosing the moment in which to perform the transfer toward thesecond containment unit 2 b. - With further reference to the preferred embodiment of the disclosure, the
assembly 1 comprises an electronic control apparatus, which in turn is provided with a first video camera that faces thefirst line 3 a and is capable of checking the color, the size and/or the presence of surface and pulp flaws of various types on the fruit and vegetable products A, while these are supported and conveyed by thefirst units 2 a in a first arrangement. It should be noted that such first arrangement (in which a pear is for example shown inFIG. 1 ) usually corresponds to the position with which each product A has been deposited on the respectivefirst containment unit 2 a, in the initial segment of thefirst line 3 a. In such first arrangement, each product A is therefore conveyed along thefirst line 3 a and its surface portion directed upwardly can thus be checked by the first video camera, above thefirst line 3 a. - Furthermore, the
control apparatus 2 b is provided with a second video camera that faces thesecond line 3 b, so that it can also check the color, the size and/or the presence of surface and pulp flaws of various types on the fruit and vegetable products A, while they are supported and conveyed by thesecond units 2 b in a second arrangement (in which a pear is for example shown inFIG. 3 ), obtained automatically as a consequence of the transfer of the products A from thefirst line 3 a to thesecond line 3 b. - More precisely, the transfer causes the partial rotation of each pear, which thus assumes a second arrangement and directs a different surface portion upwardly, which can therefore in turn be checked by the second video camera (above the
second line 3 b), thus completing the check of the color, the size category and/or the presence of any flaws (and of the shape and size) for each fruit and vegetable product A. - It should be noted therefore that in the preferred embodiment the
assembly 1 is effectively capable of weighing each pear (or other fruit and vegetable product A) and/or of checking for the presence therein of surface flaws (over the entire surface) and pulp flaws and/or, more simply, of measuring its size. - It should be noted again that the possibility is still not ruled out of adopting the innovative concepts illustrated herein for
different handling assemblies 1. - In the embodiment illustrated in the accompanying figures for the purposes of non-limiting example, each
first unit 2 a is constituted substantially by afirst tray 4 a, which can move along a first guidingtrack 5 a which substantially defines thefirst line 3 a. Furthermore, eachfirst tray 4 a is rotatable about to a first main axis, substantially parallel to thefirst track 5 a: the previously-mentioned means therefore comprise elements for actuating the rotation of respectivefirst trays 4 a about the first main axis. As can be seen for example fromFIG. 3 , the rotation thus produces the partial tipping of the respectivefirst tray 4 a, and this causes the consequent transfer of the corresponding fruit and vegetable product A (which is in turn overturned) toward the respectivesecond unit 2 b. - It should be noted further that as a consequence of the tipping, the fruit and vegetable product A automatically passes from the first arrangement to the second arrangement (in order to allow the complete checking for any flaws present, as we have already seen).
- Conveniently, in order to be able to perform the transfer in the predefined condition of mutual alignment, the control apparatus comprises an electronic viewer (optionally coinciding or integrated with the first video camera) associated with the electronic unit and arranged along the
first line 3 a. The viewer in fact is capable of acquiring, according to conventional methods, information about the position assumed by each fruit and vegetable product A in the respectivefirst unit 2 a. In turn, the electronic unit will be provided with an algorithm for calculating the portion (of the point) of thefirst line 3 a corresponding to the occurrence of the predefined condition of mutual alignment, as a function of the shape and of the speed of thefirst unit 2 a and of thesecond unit 2 b, and of the position detected by the viewer. - Therefore, whatever the position assumed by the pear in the respective
first tray 4 a, the electronic unit is capable of calculating and identifying the moment at which the predefined condition of mutual alignment arises, in order to command, right at that moment, the transfer of the pear to thesecond line 3 b, thus obtaining an exact and repeatable positioning on thesecond units 2 b. - It should be noted that the electronic management and control unit can be freely programmed to choose any predefined condition of mutual alignment. In the preferred embodiment in any case, such predefined condition corresponds to the alignment of the fruit and vegetable product A to be transferred, which is conveyed by the respective
first unit 2 a, with the central portion of a respectivesecond unit 2 b, so that the fruit and vegetable product A is arranged exactly in such central position. As we have already seen in fact, in this manner it is possible to obtain the correct weighing of each pear, in that the device designed for this purpose operates best when the pear is exactly positioned in the center of thesecond unit 2 b. - In the embodiment illustrated in the accompanying figures, and in a manner similar to what was observed for the
first units 2 a, eachsecond containment unit 2 b is constituted substantially by asecond tray 4 b, which can move along a second guidingtrack 5 b which substantially defines thesecond line 3 b and has a shape and dimensions that are optionally different from those of thefirst tray 4 a. It should be noted in fact that in the solution to shown, eachsecond tray 4 b, although being rectangular in plan like thefirst tray 4 a, with respect to the latter is appreciably larger (and is oriented with the long sides parallel to thesecond track 5 b). This in fact makes it possible to obtain a better positioning of the pears in thesecond units 2 b, and therefore a more exact weighing. - Furthermore, and in further analogy with the
first units 2 a, eachsecond tray 4 b can also rotate, about a second main axis which is substantially parallel to the first main axis and to thesecond track 5 b. This therefore makes it possible to obtain the partial tipping of thesecond trays 4 b in the opposite direction to that of the partial tipping of thefirst trays 4 a, at least during the transfer of the respective fruit and vegetable product A. - In this manner in fact, when the pear is transferred to the
second unit 2 b, the partial tipping thereof reduces (guards against) the danger that the transfer occurs without the necessary gentleness and/or that an excessive thrust could make the pear fall from thesecond line 3 b, overshooting thesecond tray 4 b. - In particular, in order to perform the tipping of the
first trays 4 a (and the transfer of the pears) at a chosen portion of thefirst line 3 a, the means for transferring comprise at least onefirst guiding plate 6 a, which faces in a parallel arrangement and is proximate to thefirst line 3 a on the opposite side with respect to thesecond line 3 b. - As can be seen clearly for example from
FIG. 7 , at least along the lateral wall of thefirst plate 6 a that directly faces thefirst line 3 a, there is a plurality of inclined lanes 7: following the actuation of the corresponding actuation element, afirst shank 8 a with which eachfirst tray 4 a is provided can selectively engage in eachlane 7, so as to cause the rotation of the correspondingfirst tray 4 a as a consequence of the sliding of thefirst shank 8 a in thelane 7. - So, effectively, each
lane 7 behaves like a cam that imposes a specific movement on thefirst shank 8 a with which it engages, and therefore causes the rotation of the respectivefirst tray 4 a, which is integral with thefirst shank 8 a. - More specifically, each actuation element (not shown for the sake of simplicity in the accompanying figures) comprises at least one actuator (which can be conventional), which is integral with the respective
first unit 2 a and which usually faces thefirst shank 8 a. Each actuator can be selectively actuated by the electronic unit (upon the occurrence of the predefined condition of mutual alignment or in the moments immediately preceding it) in order to force the engagement of thefirst shank 8 a in acorresponding lane 7, thus obtaining the desired rotation of thefirst tray 4 a which is carrying the pear to be transferred to thesecond line 3 b. - In the embodiment proposed for the purposes of non-limiting example in the accompanying figures, and with specific reference to
FIG. 7 , following the engagement thefirst shank 8 a follows a firstinclined corridor 7A, then proceeds along thestraight back 7B of thefirst plate 6 a, and finally descends along aramp 7C. Such progression obviously causes a corresponding rotation of the respectivefirst tray 4 a, to which thefirst shank 8 a is anchored. - Advantageously, the handling
assembly 1 according to the disclosure comprises asecond guiding plate 6 b, which in turn faces in a parallel arrangement and is proximate to thesecond line 3 b on the opposite side with respect to thefirst line 3 a. Differently from what was seen for thefirst plate 6 a (which can intercept thefirst shanks 8 a only following the activation of the actuation element), thesecond plate 6 b is arranged along the path ofsecond shanks 8 b of eachsecond tray 4 b. - As can be seen from the accompanying figures, such choice causes the rotation of each
second tray 4 b (when they arrive at thesecond plate 6 b) in that the respectivesecond shank 8 b is forced to slide on a contoured run defined by the top of thesecond plate 6 b. - The
second plate 6 b therefore also behaves like a cam, but it imposes the same travel and the same partial tipping (at the same portion of thesecond line 3 b) on all thesecond trays 4 b. - As can be seen from the accompanying figures, by conveniently choosing the length of the track (equal to the full extension of the
first plate 6 a, affected by the various lanes 7), thesecond trays 4 b are kept partially inclined for the entire segment of thesecond line 3 b in which they can potentially receive a pear. - While not ruling out the provision of
assemblies 1 in which thesecond plate 6 b haslanes 7 similar to those described for thefirst plate 6 a, for selectively engaging with thesecond shanks 8 b, the choice to impose the same tipping on all thesecond trays 4 b simplifies the structure (and the cost) of theassembly 1, while still ensuring in any case the functionality described up to now. - It should moreover be noted that the possibility is not ruled out of
offering assemblies 1 on the market, and wherein thesecond units 2 b are not subjected to any rotation (and wherein, for example, the risk of falling of the pears is more simply guarded against by side walls suitably arranged along the outer side of eachsecond tray 4 b). - Advantageously, as can be seen in particular from
FIGS. 4 and 7 , eachtray line support slider corresponding track - Each
shank corresponding support corresponding tray - Therefore for the
second line 3 b, when thesecond unit 2 b arrives at thesecond plate 6 b, the respectivesecond shank 8 b rises along the top of the latter and this causes the rotation of thesupport 9 b and of thesecond tray 4 b. - Conversely, in the
first line 3 a thefirst shank 8 a (or at least one of its ends) follows one of thelanes 7 only when the actuator pushes it against that lane: by providing an appropriate number oflanes 7 it is thus possible to define a plurality of portions (points of thefirst line 3 a) at which to make the partial tipping of eachfirst tray 4 a occur. - Operation of the handling assembly according to the disclosure is the following.
- Each pear (or other fruit and vegetable product A) is loaded onto a
first unit 2 a of thefirst line 3 a in a first arrangement, which is random and not predictable in advance, even in light of the irregular shape of such fruits. - The pears are thus initially conveyed along the
first line 3 a, where a first video camera can detect its color, shape and size and/or check for the presence of surface flaws on the exposed portion or flaws in the pulp. - Furthermore, in this step an electronic viewer associated with the electronic unit acquires information about the position assumed by each fruit and vegetable product A in the respective
first unit 2 a: preferably, such information relates to both the orientation with which the product A is placed on thefirst tray 4 a (the first arrangement mentioned above), and the point of thefirst tray 4 a at which the product A is located (with respect to fixed references, such as for example its perimeter or its center). This therefore enables the electronic unit to calculate the portion of thefirst line 3 a where to make the transfer occur (this is chosen to correspond to the occurrence of the predefined condition of mutual alignment). - In order to carry out the transfer, the electronic unit actuates the actuator associated with the
first unit 2 a which is carrying the product A to be transferred; the actuator in fact pushes thefirst shank 8 a of the correspondingfirst tray 4 a toward thefirst plate 6 a, engaging thefirst shank 8 a with a chosen one of theseveral lanes 7. Thus, a specific travel along thelane 7 is imposed on thefirst shank 8 a and, as a consequence, thefirst tray 4 a rotates, tipping over partially and transferring the pear to the side, where it is received by asecond containment unit 2 b. - Thanks to the calculation performed by the electronic unit, it is possible to position every pear in the center of the respective
second tray 4 b, so as to enable an easy weighing operation. - Furthermore, with the tipping the products A change their configuration (the orientation with which they are placed on the
second unit 2 b), and therefore they are conveyed along thesecond line 3 b in a second arrangement, in which they show a different surface portion (substantially opposite and complementary to the previous one) to a second video camera, thus enabling the completion of the check of flaws, color and size category. - It should be noted however that if the first video camera detects serious flaws on a pear, the electronic unit can omit to command the transfer, so allowing the fruit and vegetable product A to continue on its way until the end of the
first line 3 a, where it can be allowed to fall into a container of discarded material. Or, by way of using further elements of the type of guidingplates lines assembly 1 can be given the capability to unload the products A at the sides of thelines - Differently from what occurs with conventional systems, it has therefore been fully shown that the
assembly 1 according to the disclosure makes it possible to determine with precision the point of thesecond containment unit 2 b at which each pear is transferred, in that the electronic unit is capable of choosing the exact moment at which to actuate the actuation element in order to make at least thefirst tray 4 a tip: as has been seen, the moment chosen is conveniently the moment corresponding to the occurrence of the desired (preset) condition of mutual alignment. - Such result is therefore obtained even given the irregularities and peculiarities in the shape of pears (as with any other fruit and vegetable product A), in that the electronic unit and the transfer means adopted make it possible in each instance to vary the portion at which to perform the transfer, as a function of the variable peculiarities of each product A and of its configuration.
- During the conveying, in addition to checking for flaws and more generally checking the color and size category, the
assembly 1 enables an efficacious weighing of each pear, thanks to the ability to control the positioning, at least on thesecond line 3 b. - In practice it has been found that the handling assembly according to the disclosure fully achieves the set aim, in that the transfer means, distributed at least along one part of the first conveyance and/or control line, are actuated by the electronic management and control unit, only upon the occurrence of a predefined condition of mutual alignment between the fruit and vegetable product to be transferred, which is conveyed by the first containment unit, and a second containment unit, and this makes it possible to transfer fruit and vegetable products between two handling lines, while at the same time being able to control their positioning, at least downstream.
- The disclosure, thus conceived, is susceptible of numerous modifications and variations. Moreover, all the details may be substituted by other, technically equivalent elements.
- In the embodiments illustrated, individual characteristics shown in relation to specific examples may in reality be substituted with other, different characteristics, existing in other embodiments.
- In practice, the materials employed, as well as the dimensions, may be any according to requirements and to the state of the art.
- The disclosures in Italian Patent Application No. BO2015A000148 (102015902341042) from which this application claims priority are incorporated herein by reference.
Claims (11)
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ITBO2015A000148 | 2015-03-27 | ||
ITBO20150148 | 2015-03-27 | ||
PCT/EP2016/056426 WO2016156159A1 (en) | 2015-03-27 | 2016-03-23 | Assembly for handling fruit and vegetable products |
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EP (1) | EP3274281B1 (en) |
AU (1) | AU2016239784B2 (en) |
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ES (1) | ES2961892T3 (en) |
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Cited By (4)
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CN108246643A (en) * | 2018-01-29 | 2018-07-06 | 河南理工大学 | A kind of industry mechanical arm processing defective work statistic device synchronous based on construction and method |
US20190152710A1 (en) * | 2017-11-22 | 2019-05-23 | Lorin Reed | Produce conveying and sizing equipment |
US20210339897A1 (en) * | 2017-11-21 | 2021-11-04 | Fulfil Solutions, Inc. | Systems and methods for handling and dispensing of items |
US11529653B2 (en) | 2021-01-11 | 2022-12-20 | Durand-Wayland, Inc. | Produce sorting systems and methods |
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IT201700064382A1 (en) * | 2017-06-12 | 2018-12-12 | Linox Nastri Trasportatori S R L Abbreviabile In Linox S R L | PLANT FOR THE SELECTION OF FRUIT AND VEGETABLE PRODUCTS. |
WO2021252369A1 (en) | 2020-06-07 | 2021-12-16 | Comestaag Llc | Selectively treating plant items |
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- 2016-03-23 EP EP16715474.9A patent/EP3274281B1/en active Active
- 2016-03-23 WO PCT/EP2016/056426 patent/WO2016156159A1/en active Application Filing
- 2016-03-23 UA UAA201709847A patent/UA123006C2/en unknown
- 2016-03-23 ES ES16715474T patent/ES2961892T3/en active Active
- 2016-03-23 US US15/562,388 patent/US10421103B2/en active Active
- 2016-03-23 CA CA2980977A patent/CA2980977A1/en not_active Abandoned
- 2016-03-23 AU AU2016239784A patent/AU2016239784B2/en active Active
- 2016-03-23 RU RU2017134382A patent/RU2712484C2/en active
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US20210339897A1 (en) * | 2017-11-21 | 2021-11-04 | Fulfil Solutions, Inc. | Systems and methods for handling and dispensing of items |
US20190152710A1 (en) * | 2017-11-22 | 2019-05-23 | Lorin Reed | Produce conveying and sizing equipment |
US10618740B2 (en) * | 2017-11-22 | 2020-04-14 | Lorin Reed | Produce conveying and sizing equipment |
US11319157B2 (en) | 2017-11-22 | 2022-05-03 | Lorin Reed | Produce conveying and sizing equipment |
CN108246643A (en) * | 2018-01-29 | 2018-07-06 | 河南理工大学 | A kind of industry mechanical arm processing defective work statistic device synchronous based on construction and method |
CN108246643B (en) * | 2018-01-29 | 2019-08-13 | 河南理工大学 | A kind of the industry mechanical arm processing rejected product statistic device and method synchronous based on construction |
US11529653B2 (en) | 2021-01-11 | 2022-12-20 | Durand-Wayland, Inc. | Produce sorting systems and methods |
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UA123006C2 (en) | 2021-02-03 |
CA2980977A1 (en) | 2016-10-06 |
US10421103B2 (en) | 2019-09-24 |
RU2017134382A3 (en) | 2019-08-23 |
EP3274281B1 (en) | 2023-08-30 |
AU2016239784A1 (en) | 2017-10-26 |
AU2016239784B2 (en) | 2021-02-18 |
ES2961892T3 (en) | 2024-03-14 |
EP3274281C0 (en) | 2023-08-30 |
WO2016156159A1 (en) | 2016-10-06 |
RU2017134382A (en) | 2019-04-03 |
RU2712484C2 (en) | 2020-01-29 |
EP3274281A1 (en) | 2018-01-31 |
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